Advantages

Certified 250 Degree Temperature Rise Protection: Milcor UFR Doors are insulated with super-efficient insulation to limit temperature rise after 30 minutes to only 250 degrees F. This UL temperature rise is the best in the business.

Insulation Offers True Safety: Conventional uninsulated access doors can assist spontaneous ignition of anything near the door when the temperature on the protected side of an door exceeds 600 degrees F, endangering people.